Hot-Work Tool Steel
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.60 | ||
| Si | 0.20 | 0.40 | ||
| Mn | 0.20 | 0.40 | ||
| Cr | - | 4.00 | ||
| Mo | - | 5.00 | ||
| V | - | 2.00 | ||
| W | - | 6.00 |
Hot-Work Tool Steel
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 342 (≥) | 824 (≥) | 23 | 43 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 323 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 637 (≥) | 934 (≥) | 12 | 43 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 738 | 671 | 864 |
We can customize the production of T20842 grade, contact us for the best solution.
–sales@specificsteel.com